Coroner Dr Fiona Wilcox called his death "absolutely tragic" and called for analysis of hair samples to be considered for future drugs testing by cricket clubs.
New Orleans Mayor Mitch Landrieu called it a "tragic day" and appealed for an end to what he called the "relentless drumbeat of violence" on the city's streets.
But Jamie Rappaport Clark, president of Defenders of Wildlife, called it "a tragic ending to what has otherwise been one of America's greatest wildlife conservation success stories".
Lonmin's chief financial officer, Simon Scott, called the situation "tragic" and expressed condolences to the family and friends of the workers and police officers who died this week.
Immediately after the tragic events in Moscow I called President Medvedev and pledged that the United States would work in any way that Moscow thought made sense in helping to find the perpetrators of this terrible act.